Air quality index [µg/m3]:
excellent ≤ 20
good ≤ 60
lightly polluted ≤ 100
moderately polluted ≤ 140
heavily polluted ≤ 200
severely polluted > 200
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
100020excellentexcellent81excellent
090073lightly pollutedexcellent121excellent
080095lightly pollutedexcellent151excellent
070095lightly pollutedexcellent131excellent
0600105moderately pollutedexcellent111excellent
0500101moderately pollutedexcellent111excellent
0400108moderately pollutedexcellent141excellent
0300106moderately pollutedexcellent151excellent
0200116moderately pollutedexcellent161excellent
0100124moderately pollutedexcellent191excellent
0000126moderately pollutedexcellent201excellent
2300119moderately pollutedexcellent191excellent
2200124moderately pollutedexcellent181excellent
2100113moderately pollutedexcellent151excellent
200088lightly pollutedexcellent131excellent
190057goodexcellent101excellent
180052goodexcellent81excellent
170049goodexcellent101excellent
160051goodexcellent81excellent
150049goodexcellent81excellent
140036goodexcellent61excellent
130038goodexcellent71excellent
120065lightly pollutedexcellent132excellent
110080lightly pollutedexcellent171excellent